lock db when meta is insert
lock db when meta is insert

enna-project/Enna-Media-Server,raoulh/Enna-Media-Server,enna-project/Enna-Media-Server,raoulh/Enna-Media-Server,raoulh/Enna-Media-Server,enna-project/Enna-Media-Server,enna-project/Enna-Media-Server,raoulh/Enna-Media-Server,raoulh/Enna-Media-Server,enna-project/Enna-Media-Server